/**
 * SkillAPI
 * com.sucy.skill.data.ExpFormula
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 Steven Sucy
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software") to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.sucy.skill.data;

/**
 * Represents an experience formula from the settings
 */
public class ExpFormula
{
    private int x, y, z;

    /**
     * Creates a new formula
     *
     * @param x quadratic coefficient
     * @param y linear coefficient
     * @param z intercept
     */
    public ExpFormula(int x, int y, int z)
    {
        this.x = x;
        this.y = y;
        this.z = z;
    }

    /**
     * Calculates the required experience at a given level
     *
     * @param level level to calculate for
     *
     * @return required experience at the level
     */
    public int calculate(int level)
    {
        return x * level * level + y * level + z;
    }
}
